Damper Home Improvement Check Valve Backdraft Damper Pipe Check Valve Ventilation Check Valve Pipe Draft Blocker Air Duct Check

Welcome to my store. I hope you have a pleasant shopping experience.Does it include wireless functionality? : No Does it include a Battery? : No High-concerned chemical : None Model Number : Air duct check value Brand Name : LONGPEAN Origin : Mainland China packing include: : 1pcs X Air duct check value Material: : PVC Size: : 80mm/ 100mm/110mm/ 125mm/ 150mm